Rainbow chaser: ORC Rating

GPH

568.6

OSN

550.8

LOA

13.11 m

Displacement

8826 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7938

Medium

1.0884

High

1.2501

Triple Offshore

Low

1.026

Medium

1.3464

High

1.5133

Boat Specifications

Dimensions

Length overall: 13.11 m
Beam: 3.87 m
Draft: 2.29 m
Displacement: 8826 kg
Crew weight: 903 kg
Wetted surface: 37.81 m²

Sails

Mainsail: 54.87 m²
Genoa: 46.04 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 152.28 m²

Design

Type: J/133
Builder: J Boats Europe
Designer: Johnstone
Year built: 2004

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,43.2,5.020792,52,5.6,60,5.93,75,6.2,90,6.12,110,6.21,120,6.06,135,5.47,143.6,4.9696,150,4.62
8,41.6,5.990922,52,6.74,60,7.08,75,7.33,90,7.43,110,7.55,120,7.41,135,6.79,146.8,6.023201,150,5.82
10,40.9,6.80026,52,7.55,60,7.78,75,7.94,90,8.05,110,8.22,120,8.13,135,7.77,148.4,7.009289,150,6.89
12,39.4,7.195235,52,7.91,60,8.1,75,8.27,90,8.29,110,8.65,120,8.61,135,8.29,150,7.71,150.3,7.690257
14,38.2,7.329579,52,8.08,60,8.29,75,8.53,90,8.59,110,9.05,120,9.13,135,8.76,150,8.14,151.6,8.037301
16,37.7,7.406251,52,8.16,60,8.39,75,8.75,90,8.9,110,9.34,120,9.67,135,9.32,150,8.47,175.1,7.547584
20,37,7.525335,52,8.25,60,8.49,75,9,90,9.48,110,9.88,120,10.43,135,10.66,150,9.3,177.7,8.36674

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.6	5.93	6.2	6.12	6.21	6.06	5.47	4.62
8	6.74	7.08	7.33	7.43	7.55	7.41	6.79	5.82
10	7.55	7.78	7.94	8.05	8.22	8.13	7.77	6.89
12	7.91	8.1	8.27	8.29	8.65	8.61	8.29	7.71
14	8.08	8.29	8.53	8.59	9.05	9.13	8.76	8.14
16	8.16	8.39	8.75	8.9	9.34	9.67	9.32	8.47
20	8.25	8.49	9	9.48	9.88	10.43	10.66	9.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.66	143.6°	4
8	41.6°	4.48	146.8°	5.04
10	40.9°	5.14	148.4°	5.97
12	39.4°	5.56	150.3°	6.68
14	38.2°	5.76	151.6°	7.07
16	37.7°	5.86	175.1°	7.52
20	37°	6.01	177.7°	8.36

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.60	6.74	7.55	7.91	8.08	8.16	8.25
60°	5.93	7.08	7.78	8.10	8.29	8.39	8.49
75°	6.20	7.33	7.94	8.27	8.53	8.75	9.00
90°	6.12	7.43	8.05	8.29	8.59	8.90	9.48
110°	6.21	7.55	8.22	8.65	9.05	9.34	9.88
120°	6.06	7.41	8.13	8.61	9.13	9.67	10.43
135°	5.47	6.79	7.77	8.29	8.76	9.32	10.66
150°	4.62	5.82	6.89	7.71	8.14	8.47	9.30